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v3.20.2

SUBSEQUENT EVENTS (Details) $ in Millions | Oct. 31, 2020 USD ($)
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Subsequent event |
Subsequent Event [Line Items] |
Deferred tax assets for intra-entity transfer of certain intellectual property between foreign subsidiaries | $ 165.0

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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from intra-entity transfer of asset between foreign subsidiaries. + References No definition available. + Details
Name: | mnst_DeferredTaxAssetIntraEntityTransferBetweenForeignSubsidiaries
Namespace Prefix: | mnst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |